/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.mx.im.sinocab.action;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.tomcat.util.http.fileupload.FileItem;
import org.apache.tomcat.util.http.fileupload.FileItemFactory;
import org.apache.tomcat.util.http.fileupload.FileUploadException;
import org.apache.tomcat.util.http.fileupload.disk.DiskFileItemFactory;
import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload;

/**
 *
 * @author Javier Aviles Cruz
 */
public class FileToServer extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    private String dirUploadFiles = "";

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        dirUploadFiles = getServletContext().getRealPath(getServletContext().getInitParameter("dirUploadFiles"));
        HttpSession sesion = request.getSession(true);
        if (ServletFileUpload.isMultipartContent(request)) {
            FileItemFactory factory = new DiskFileItemFactory();
            ServletFileUpload upload = new ServletFileUpload(factory);
            upload.setSizeMax(new Long(getServletContext().getInitParameter("maxFileSize")).longValue());
            List listUploadFiles = null;
            FileItem item = null;
            try {
                listUploadFiles = upload.parseRequest(request);
                Iterator it = listUploadFiles.iterator();
                while (it.hasNext()) {
                    item = (FileItem) it.next();
                    if (!item.isFormField()) {
                        if (item.getSize() > 0) {
                            String nombre = item.getName();
                            String tipo = item.getContentType();
                            long tamanio = item.getSize();
                            String extension = nombre.substring(nombre.lastIndexOf("."));

                            sesion.setAttribute("sArNombre", String.valueOf(nombre));
                            sesion.setAttribute("sArTipo", String.valueOf(tipo));
                            sesion.setAttribute("sArExtension", String.valueOf(extension));

                            File archivo = new File(dirUploadFiles, nombre);
                            item.write(archivo);


                            System.out.println("Escrito" + archivo.getPath());
                            if (archivo.exists()) {
                                response.sendRedirect("/Jsp/body/uploadsave.jsp");
                                System.out.println("Si existe");
                            } else {
                                sesion.setAttribute("sArError", "Ocurrio un error al subir el archivo");
                                response.sendRedirect("/Jsp/body/index.jsp");
                                System.out.println("Error:");
                            }
                        }
                    }
                }

            } catch (FileUploadException e) {
                sesion.setAttribute("sArError", String.valueOf(e.getMessage()));
                response.sendRedirect("/Jsp/body/index.jsp");
                e.printStackTrace();
            } catch (Exception e) {
                sesion.setAttribute("sArError", String.valueOf(e.getMessage()));
                response.sendRedirect("/Jsp/body/index.jsp");
                e.printStackTrace();
            }
        }
        out.close();
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
